122155302211 has 8 divisors (see below), whose sum is σ = 122949730224. Its totient is φ = 121362539520.

The previous prime is 122155302197. The next prime is 122155302223. The reversal of 122155302211 is 112203551221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122155302211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122155303211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268981 + ... + 562726.

It is an arithmetic number, because the mean of its divisors is an integer number (15368716278).

Almost surely, 2^122155302211 is an apocalyptic number.

122155302211 is a deficient number, since it is larger than the sum of its proper divisors (794428013).

122155302211 is an equidigital number, since it uses as much as digits as its factorization.

122155302211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832661.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 122155302211 its reverse (112203551221), we get a palindrome (234358853432).

The spelling of 122155302211 in words is "one hundred twenty-two billion, one hundred fifty-five million, three hundred two thousand, two hundred eleven".